How does emergency contraception work?

Emergency contraceptive (EC) medication is a concentrated dose of female hormones. It can work in three ways:
  • It may keep an egg from leaving the ovary.
  • It may keep the sperm from meeting the egg.
  • It may keep a fertilized egg from attaching to the uterus.

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Emergency Contraception

Emergency Contraception

Emergency contraception is used to help keep a woman from getting pregnant after she has unprotected sex or if the birth control method failed. The medication is a concentrated dose of progesterone that prevents the egg from leavi...

ng the ovary, meeting with sperm or attaching to the uterus, depending on your cycle stage. If you are already pregnant, the emergency contraception pill will not work.

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.